<template>
  <div class="login_container">
    <div class="login_box">
      <div class="avater_box1" v-divDrag>
        <img src="../assets/logo.png" alt />
      </div>
      <div class="avater_box2" v-divDrag>
        <img src="../assets/logo.png" alt />
      </div>
      <div class="avater_box3" v-divDrag>
        <img src="../assets/logo.png" alt />
      </div>

      <el-form ref="form" :rules="rules" :model="form" class="login_form">
        <el-form-item prop="username">
          <el-input placeholder="请输入用户名" v-model="form.username" prefix-icon="el-icon-user-solid"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            placeholder="请输入密码"
            v-model="form.password"
            show-password
            prefix-icon="el-icon-lock"
          ></el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary" @click="HandleLoginItem">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>
<script>
export default {
  data() {
    return {
      form: {
        username: '',
        password: '',
      },
      rules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            min: 5,
            max: 10,
            message: '长度在 5 到 10 个字符',
            trigger: 'blur',
          },
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            min: 6,
            max: 20,
            message: '长度在 6 到 10 个字符',
            trigger: 'blur',
          },
        ],
      },
    }
  },
  methods: {
    resetLoginForm() {
      this.$refs.form.resetFields()
    },
    HandleLoginItem() {
      this.$refs.form.validate(async (valid) => {
        if (!valid) return
        const { data: res } = await this.$http.post('login', this.form)
        if (res.meta.status !== 200) {
          return this.$message({
            showClose: true,
            message: '抱歉，账号或密码有误',
            type: 'warning',
          })
        }
        this.$message({
          showClose: true,
          message: '登录成功',
          type: 'success',
        })
        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('/home')
      })
    },
  },
}
</script>
<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
  .login_box {
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    .avater_box1 {
      position: absolute;
      top: -65px;
      left: 50%;
      transform: translateX(-50%);
    }
    .avater_box2 {
      position: absolute;
      top: -150px;
      left: 20px;
    }
    .avater_box3 {
      position: absolute;
      top: -150px;
      right: 20px;
    }
    .avater_box1,
    .avater_box2,
    .avater_box3 {
      cursor: pointer;
      width: 130px;
      height: 130px;
      border: 1px solid #eee;
      border-radius: 50%;
      padding: 10px;
      background-color: #fff;
      img {
        width: 100%;
        height: 100%;
        background-color: #ddd;
        border-radius: 50%;
        box-shadow: 0 0 10px #ddd;
      }
    }
  }
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  box-sizing: border-box;
  padding: 0 20px;
}
.btns {
  display: flex;
  justify-content: flex-end;
}
</style>